Home / 1,637,119.92-2,259,293.57-911,967.45

Finding the Fourth Proportional to 1,637,119.92, 2,259,293.57 and 911,967.45

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Solution

The fourth proportional to 1,637,119.92, 2,259,293.57 and 911,967.45 is: 1,258,553.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,119.92 : 2,259,293.57 = 911,967.45 : x
  2. Step 2: Convert to fraction form
    1,637,119.92/2,259,293.57 = 911,967.45/x
  3. Step 3: Cross multiply
    1,637,119.92x = 2,259,293.57 × 911,967.45
  4. Step 4: Simplify right side
    1,637,119.92x = 2,060,402,191,274.46
  5. Step 5: Solve for x
    x = 2,060,402,191,274.46/1,637,119.92
  6. Step 6: Final answer
    x = 1,258,553.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.